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Finding the Fourth Proportional to 33,687, 50,530.29 and 8,727

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Solution

The fourth proportional to 33,687, 50,530.29 and 8,727 is: 13,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687 : 50,530.29 = 8,727 : x
  2. Step 2: Convert to fraction form
    33,687/50,530.29 = 8,727/x
  3. Step 3: Cross multiply
    33,687x = 50,530.29 × 8,727
  4. Step 4: Simplify right side
    33,687x = 440,977,840.83
  5. Step 5: Solve for x
    x = 440,977,840.83/33,687
  6. Step 6: Final answer
    x = 13,090.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.